The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not.

【释义】：一个人如果没有他人的帮助，就难以取得成功；一匹马若缺乏其他马的竞争，就无法快速奔跑；堆积土石成台，没有更多的土便无法增高；池水若缺乏流动与激荡，就会停滞不前。

The rise of China represents the most significant challenge to the liberal international order since its inception.

"I’m a normal guy who just happens to play tennis well."

我不相信运气，我相信努力。